ATmega324P datasheet(85/377 Pages) ATMEL

85 / 377 page

7674F–AVR–09/09

ATmega164P/324P/644P

• TMS/PCINT19 – Port C, Bit 3

TMS, JTAG Test Mode Select.

PCINT19, Pin Change Interrupt source 19: The PC3 pin can serve as an external interrupt

source.

• TCK/PCINT18 – Port C, Bit 2

TCK, JTAG Test Clock.

PCINT18, Pin Change Interrupt source 18: The PC2 pin can serve as an external interrupt

source.

• SDA/PCINT17 – Port C, Bit 1

SDA, 2-wire Serial Bus Data Input/Output Line.

PCINT17, Pin Change Interrupt source 17: The PC1 pin can serve as an external interrupt

source.

• SCL/PCINT16 – Port C, Bit 0

SCL, 2-wire Serial Busk Clock Line.

PCINT23, Pin Change Interrupt source 23: The PC0 pin can serve as an external interrupt

source.

Table 12-10 and Table 12-11 relate the alternate functions of Port C to the overriding signals

shown in Figure 12-5 on page 77.

Table 12-10. Overriding Signals for Alternate Functions in PC7:PC4

Signal

Name

PC7/TOSC2/

PCINT23

PC6/TOSC1/

PCINT22

PC5/TDI/

PCINT21

PC4/TDO/

PCINT20

PUOE

AS2 • EXCLK

AS2

JTAGEN

PUOV

011

DDOE

AS2 • EXCLK

AS2

JTAGEN

DDOV

SHIFT_IR +

SHIFT_DR

PVOE

00JTAGEN

PVOV

00TDO

DIEOE

AS2 • EXCLK +

PCINT23 • PCIE2

AS2

JTAGEN

DIEOV

EXCLK

PCINT23 INPUT

PCINT22 INPUT

PCINT21 INPUT

PCINT20 INPUT

AIO

T/C2 OSC OUTPUT

T/C2 OSC

INPUT

TDI INPUT

–

ATmega324P Datasheet(PDF) 85 Page - ATMEL Corporation

ATmega324P Datasheet(HTML) 85 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL